Weather Records on 20 June 1988

1,222 weather records were set or tied worldwide on 20 June 1988. Highest significance: Seneca, US.

Key Facts for 20 June 1988

On 20 June 1988, 1,222 weather records were set or tied at long-record stations worldwide.
1,005 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 21 were all-time records, 104 monthly and 1,097 daily.
Seneca set an all-time record high minimum temperature of 18.3 C (64.9 F) on 20 June 1988.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 453 records.

Record Map

1,222 stations

1,222 station records on 20 June 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Seneca	United States	Record high minimum temperature	18.3 C (64.9 F)	50 of 100 (Notable)
Riverside 7 SSW	United States	Record high minimum temperature	22.2 C (72.0 F)	46 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Monroe City	United States	Record high maximum temperature	39.4 C (102.9 F)	44 of 100 (Notable)
Howard	United States	Record high minimum temperature	24.4 C (75.9 F)	44 of 100 (Notable)
Appleton	United States	Record high maximum temperature	38.3 C (100.9 F)	44 of 100 (Notable)
Ft Bidwell	United States	Record high minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Geneseo	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Opaeula 870	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Wessington Springs	United States	Record high minimum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Kzylzar	Kazakhstan	Record high maximum temperature	42.7 C (108.9 F)	40 of 100 (Notable)
Bedford	United States	Record high maximum temperature	38.3 C (100.9 F)	40 of 100 (Notable)
Long Prairie	United States	Record high maximum temperature	37.2 C (99.0 F)	40 of 100 (Notable)
Camp Crook	United States	Record high maximum temperature	39.4 C (102.9 F)	40 of 100 (Notable)
Greenfield	United States	Record high maximum temperature	37.8 C (100.0 F)	39 of 100 (Notable)
Leroy 5 WSW	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Elkader 6 SSW	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Milaca	United States	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)
Forman 5 SSE	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Tyndall	United States	Record high minimum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Bayfield 6 N	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Emblem	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Paso Robles	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Grand View 4 NW	United States	Record high minimum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Gaylord	United States	Record high minimum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Plevna	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Newport	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Ipswich	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Miles City AP	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Bruneau	United States	Record high minimum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Nashville 1 E	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Detour Village	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Grant City	United States	Record high maximum temperature	38.9 C (102.0 F)	36 of 100 (Notable)
Chinook	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Vida 6 NE	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Orovada 3 W	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Beach	United States	Record high maximum temperature	39.4 C (102.9 F)	36 of 100 (Notable)
Dunn Ctr 1E	United States	Record high maximum temperature	40.6 C (105.1 F)	36 of 100 (Notable)
Sonora	United States	Record low minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Echeta 2 NW	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Gillette 3SE	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Glenview NAS	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Williston Sloulin Fld	United States	Record high maximum temperature	41.1 C (106.0 F)	36 of 100 (Notable)
San Francisco	Mexico	Record daily precipitation	84.6 mm (3.3 in)	35 of 100 (Notable)
Lampang	Thailand	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
E Tawas	United States	Record high minimum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Grand Marais	United States	Record high maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)
Plevna	United States	Record high maximum temperature	43.3 C (109.9 F)	35 of 100 (Notable)
Red Lodge	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Wibaux 2 E	United States	Record high minimum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Eureka	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Bolonchen	Mexico	Record daily precipitation	82.8 mm (3.3 in)	34 of 100 (Routine)
Waterdale	United States	Record high minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Kuna	United States	Record high minimum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Collegeville St John's	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Fergus Falls	United States	Record high maximum temperature	36.1 C (97.0 F)	34 of 100 (Routine)
Busby	United States	Record high maximum temperature	40.0 C (104.0 F)	34 of 100 (Routine)
Neillsville 3ESE	United States	Record high maximum temperature	36.1 C (97.0 F)	34 of 100 (Routine)
Opaeula 870	United States	Record low minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Ituporanga (Pcd)	Brazil	Record daily precipitation	47.8 mm (1.9 in)	33 of 100 (Routine)

Counts by Type and Timescale

1,222 records

Records set or tied on 20 June 1988 by type: Highest daily maximum 655, Lowest daily maximum 48, Highest daily minimum 350, Lowest daily minimum 45, Heaviest daily rainfall 124.

Records on 20 June 1988 by type
Record type	Records
Highest daily maximum	655
Lowest daily maximum	48
Highest daily minimum	350
Lowest daily minimum	45
Heaviest daily rainfall	124
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1988 by timescale: all-time 21, monthly 104, daily 1,097.

How Much Records Were Beaten By

893 broken records

Margins by which the 893 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.7. Ties are not counted.

Top 20 by Significance

20 June 1988

Top 20 records on 20 June 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1988	Seneca, US	all-time high min	18.3 C (64.9 F)	0.5 C (0.9 F)	74 years	50 of 100 (Notable)
20 June 1988	Riverside 7 SSW, US	monthly high min	22.2 C (72.0 F)	0.5 C (0.9 F)	88 years	46 of 100 (Notable)
20 June 1988	Rinconada, MX	daily low min	13.9 C (57.0 F)	5.5 C (9.9 F)	21 years	44 of 100 (Notable)
20 June 1988	Monroe City, US	monthly high max	39.4 C (102.9 F)	1.1 C (2.0 F)	83 years	44 of 100 (Notable)
20 June 1988	Howard, US	daily high min	24.4 C (75.9 F)	3.3 C (5.9 F)	93 years	44 of 100 (Notable)
20 June 1988	Appleton, US	monthly high max	38.3 C (100.9 F)	1.1 C (2.0 F)	77 years	44 of 100 (Notable)
20 June 1988	Ft Bidwell, US	daily high min	16.1 C (61.0 F)	1.1 C (2.0 F)	116 years	43 of 100 (Notable)
20 June 1988	Geneseo, US	daily high min	24.4 C (75.9 F)	3.3 C (5.9 F)	88 years	43 of 100 (Notable)
20 June 1988	Opaeula 870, US	all-time low max	15.6 C (60.1 F)	1.6 C (2.9 F)	33 years	43 of 100 (Notable)
20 June 1988	Wessington Springs, US	daily high min	23.9 C (75.0 F)	3.9 C (7.0 F)	77 years	42 of 100 (Notable)
20 June 1988	Kzylzar, KZ	all-time high max	42.7 C (108.9 F)	0.7 C (1.3 F)	47 years	40 of 100 (Notable)
20 June 1988	Bedford, US	daily high max	38.3 C (100.9 F)	2.2 C (4.0 F)	88 years	40 of 100 (Notable)
20 June 1988	Long Prairie, US	daily high max	37.2 C (99.0 F)	1.6 C (2.9 F)	93 years	40 of 100 (Notable)
20 June 1988	Camp Crook, US	daily high max	39.4 C (102.9 F)	2.7 C (4.9 F)	91 years	40 of 100 (Notable)
20 June 1988	Greenfield, US	daily high max	37.8 C (100.0 F)	3.4 C (6.1 F)	78 years	39 of 100 (Notable)
20 June 1988	Leroy 5 WSW, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	94 years	38 of 100 (Notable)
20 June 1988	Elkader 6 SSW, US	daily high max	38.3 C (100.9 F)	2.7 C (4.9 F)	78 years	38 of 100 (Notable)
20 June 1988	Milaca, US	monthly high max	39.4 C (102.9 F)	1.1 C (2.0 F)	56 years	38 of 100 (Notable)
20 June 1988	Forman 5 SSE, US	daily high max	36.7 C (98.1 F)	1.7 C (3.1 F)	89 years	38 of 100 (Notable)
20 June 1988	Tyndall, US	daily high min	22.8 C (73.0 F)	0.6 C (1.1 F)	93 years	38 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1800 to 1988

Records set or tied on this calendar date in each year from 1800 to 1988. 1988 had 1,222 records.

Counts for years before the ledger starts come from the same station rules.

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1988-06-20: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 5	817
5 to 10	41
10 to 15	16
15 to 20	7
20 to 25	3
25 to 30	0
30 to 35	6
35 to 40	3